// 해당 URL을 이용해 웹 브라우저를 연다.
bool CCopyProperties::OpenNewWindow(LPCTSTR pAddress)
{
IWebBrowser2 *pWebBrowser;
HRESULT hr;
// 웹브라우저 객체를 생성한다.
hr = ::CoCreateInstance(CLSID_InternetExplorer, NULL, CLSCTX_LOCAL_SERVER, IID_IWebBrowser2, (void**)&pWebBrowser);
if(FAILED(hr) || pWebBrowser == NULL) return FALSE;
CString strAddress = pAddress;
// Navigate()에 필요한 인자들을 초기화한다
VARIANT vtFlags, vtTarget, vtPostData, vtHeader;
::VariantInit(&vtFlags);
::VariantInit(&vtTarget);
::VariantInit(&vtPostData);
::VariantInit(&vtHeader);
// 웹브라우저를 화면에 보이게 한다
pWebBrowser->put_Visible(VARIANT_TRUE);
// 사이트를 연다
hr = pWebBrowser->Navigate(strAddress.AllocSysString(), &vtFlags, &vtTarget, &vtPostData, &vtHeader);
// 웹브라우저 인터페이스의 참조 횟수를 줄인다
pWebBrowser->Release();
return SUCCEEDED(hr);
}
IWebBrowser2* BrowserFactory::CreateBrowser() {
LOG(TRACE) << "Entering BrowserFactory::CreateBrowser";
// TODO: Error and exception handling and return value checking.
IWebBrowser2* browser;
if (this->windows_major_version_ >= 6) {
// Only Windows Vista and above have mandatory integrity levels.
this->SetThreadIntegrityLevel();
}
DWORD context = CLSCTX_LOCAL_SERVER;
if (this->ie_major_version_ == 7 && this->windows_major_version_ >= 6) {
// ONLY for IE 7 on Windows Vista. XP and below do not have Protected Mode;
// Windows 7 shipped with IE8.
context = context | CLSCTX_ENABLE_CLOAKING;
}
::CoCreateInstance(CLSID_InternetExplorer,
NULL,
context,
IID_IWebBrowser2,
reinterpret_cast<void**>(&browser));
browser->put_Visible(VARIANT_TRUE);
if (this->windows_major_version_ >= 6) {
// Only Windows Vista and above have mandatory integrity levels.
this->ResetThreadIntegrityLevel();
}
return browser;
}
IWebBrowser2* BrowserFactory::CreateBrowser() {
LOG(TRACE) << "Entering BrowserFactory::CreateBrowser";
IWebBrowser2* browser = NULL;
DWORD context = CLSCTX_LOCAL_SERVER;
if (this->ie_major_version_ == 7 && this->windows_major_version_ >= 6) {
// ONLY for IE 7 on Windows Vista. XP and below do not have Protected Mode;
// Windows 7 shipped with IE8.
context = context | CLSCTX_ENABLE_CLOAKING;
}
HRESULT hr = ::CoCreateInstance(CLSID_InternetExplorer,
NULL,
context,
IID_IWebBrowser2,
reinterpret_cast<void**>(&browser));
// When IWebBrowser2::Quit() is called, the wrapper process doesn't
// exit right away. When that happens, CoCreateInstance can fail while
// the abandoned iexplore.exe instance is still valid. The "right" way
// to do this would be to call ::EnumProcesses before calling
// CoCreateInstance, finding all of the iexplore.exe processes, waiting
// for one to exit, and then proceed. However, there is no way to tell
// if a process ID belongs to an Internet Explorer instance, particularly
// when a 32-bit process tries to enumerate 64-bit processes on 64-bit
// Windows. So, we'll take the brute force way out, just retrying the call
// to CoCreateInstance until it succeeds (the old iexplore.exe process has
// exited), or we get a different error code. We'll also set a 45-second
// timeout, with 45 seconds being chosen because it's below the default
// 60 second HTTP request timeout of most language bindings.
if (FAILED(hr) && HRESULT_CODE(hr) == ERROR_SHUTDOWN_IS_SCHEDULED) {
LOG(DEBUG) << "CoCreateInstance for IWebBrowser2 failed due to a "
<< "browser process that has not yet fully exited. Retrying "
<< "until the browser process exits and a new instance can "
<< "be successfully created.";
}
clock_t timeout = clock() + (45 * CLOCKS_PER_SEC);
while (FAILED(hr) &&
HRESULT_CODE(hr) == ERROR_SHUTDOWN_IS_SCHEDULED &&
clock() < timeout) {
::Sleep(500);
hr = ::CoCreateInstance(CLSID_InternetExplorer,
NULL,
context,
IID_IWebBrowser2,
reinterpret_cast<void**>(&browser));
}
if (FAILED(hr) && HRESULT_CODE(hr) != ERROR_SHUTDOWN_IS_SCHEDULED) {
// If we hit this branch, the CoCreateInstance failed due to an unexpected
// error, either before we looped, or at some point during the loop. In
// in either case, there's not much else we can do except log the failure.
LOGHR(WARN, hr) << "CoCreateInstance for IWebBrowser2 failed.";
}
if (browser != NULL) {
browser->put_Visible(VARIANT_TRUE);
}
return browser;
}
HWND MkWebBrowser::Open(const MkStr& pageUrl, int posX, int posY, int width, int height)
{
if (pageUrl.Empty())
return NULL;
HRESULT hr;
IWebBrowser2* pWebBrowser = NULL;
VARIANT vtHeader2 = {0};
VARIANT vtTarget2 = {0};
VARIANT vtEmpty2 = {0};
vtHeader2.vt = VT_BSTR;
vtHeader2.bstrVal = SysAllocString(L"Content-Type: application/x-www-form-urlencoded\r\n");
vtTarget2.vt = VT_BSTR;
vtTarget2.bstrVal = SysAllocString(L"_top");
VariantInit(&vtEmpty2);
CoInitialize(NULL);
CoCreateInstance(CLSID_InternetExplorer, NULL, CLSCTX_LOCAL_SERVER, IID_IWebBrowser2, (void**)&pWebBrowser);
pWebBrowser->put_Width((long)width);
pWebBrowser->put_Height((long)height);
pWebBrowser->put_Left((long)posX);
pWebBrowser->put_Top((long)posY);
pWebBrowser->put_MenuBar(VARIANT_FALSE);
pWebBrowser->put_ToolBar(VARIANT_FALSE);
pWebBrowser->put_AddressBar(VARIANT_FALSE);
pWebBrowser->put_StatusBar(VARIANT_FALSE);
BSTR cBuf = SysAllocString(pageUrl.GetPtr());
hr = pWebBrowser->Navigate(cBuf, &vtEmpty2, &vtTarget2, &vtEmpty2, &vtHeader2);
SysFreeString(cBuf);
SysFreeString(vtHeader2.bstrVal);
SysFreeString(vtTarget2.bstrVal);
HWND exh = NULL;
if (SUCCEEDED(hr))
{
pWebBrowser->put_Visible(VARIANT_TRUE);
pWebBrowser->get_HWND((long*)&exh);
}
else
{
pWebBrowser->Quit();
}
pWebBrowser->Release();
CoUninitialize();
return exh;
}
void Win32WebControl::setWebViewVisible(const bool visible) const
{
_webBrowser2->put_Visible(visible ? VARIANT_TRUE : VARIANT_FALSE);
}
